310,868 PROCEEDINGS Proceedings of a Symposium : Obstructive airways disease : antimuscarinic bronchodilator therapy / guest ed. Kenneth R. Chapman. - [Riverton, NJ]; Excerpta Hedica, Inc. a Reed Elsevier Medical Publ. Co. , 1996. - 70 s. ; wykr. ; 28 cm (The American Journal of Medicine, ISSN 0002-9343 ; vol. 100, no. 1A)